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Technologies / Fiserv / Google Tag Manager

Companies using Fiserv and Google Tag Manager

7 companies in our data have public evidence for both Fiserv and Google Tag Manager. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

7companies use both
70%of Fiserv users
under 1%of Google Tag Manager users
0name both as subprocessors

Companies using one are 1.8 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyFiservGoogle Tag Manager
Billtrustbilltrust.comBilltrust provides a platform for invoicing, payments, credit, collections, and cash application.Finance and accounting software
Biltbilt.comBilt lets members earn points on rent and mortgage payments and unlock neighborhood benefits.Fintech
CINC Systemscincsystems.comCINC provides a software platform for community association management, including accounting, operations, communication, and resident self-service.Real estate
Flywireflywire.comFlywire provides payment processing and software for complex cross-border payments in education, travel, B2B, and healthcare.Payments
NMInmi.comNMI provides an embedded payments platform that includes a payment gateway, merchant onboarding and underwriting tools, and value-added services.Payments
CERTIFY Healthcertifyhealth.comCERTIFY Health provides patient experience, practice management, revenue and billing, and patient management software, including check-in, intake, scheduling, reminders, messaging, and payment tools.Healthcare
Prosperprosper.comProsper offers personal loans, a credit card, and investing products through its website.Fintech

The two technologies

Fiserv

Payments

Fiserv is a payments and financial technology company. It is used by merchants, financial institutions, fintechs, public sector organizations and software providers for payments, banking and commerce solutions.

Summarized from fiserv.com on 8 Nov 2026.

70% of the 10 companies we see using Fiserv also show the other.

All 10 companies using Fiserv8 name it as a subprocessorMore in Payments

Google Tag Manager

by Google · Analytics

Google Tag Manager is a tag management system that lets you configure and deploy tags on your website or mobile app through a web interface. It is used to add and update tags, such as measurement and marketing optimization tags, without editing your site code.

Summarized from developers.google.com on 8 Nov 2026.

under 1% of the 9,026 companies we see using Google Tag Manager also show the other.

All 9,026 companies using Google Tag Manager58 name it as a subprocessorMore in Analytics

Industries

Among the companies above, by our own classification of their homepage.

Fintech2Payments2

Other pairs

Companies with their own evidence for both.

More with Fiserv

Cloudflare10companiesAmazon Web Services6companiesGoogle Analytics5companiesGoogle Workspace5companiesHubSpot5companiesSalesforce5companies

More with Google Tag Manager

Cloudflare9,040companiesGoogle Workspace5,977companiesGoogle Analytics3,394companiesHubSpot2,822companiesAmazon Web Services2,579companiesWordPress2,575companies

Questions

How many companies use both Fiserv and Google Tag Manager?

7 companies in StrataDB's data have public evidence for both. Our coverage is partial, so the real number is higher.

Which companies use Fiserv and Google Tag Manager?

Billtrust, Bilt, CINC Systems, Flywire and NMI, and 2 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Fiserv and Google Tag Manager?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Fiserv and Google Tag Manager

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call